PI Impinj (PI) Insider Trading, Ownership & Congress Trades
Semiconductors & Electronics · Electronic components, nec · CIK 0001114995
Form 144 · 2
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
190
13F, latest reported quarter
Conversions, 180 days
16
Codes C/M, not in net · $0 priced
What the filings say about PI
Insiders, 180 days
-$76.6M net sold
3 sellers · 4% of sales under a 10b5-1 plan
Congress, 1 year
No trades
Last one: purchase, 2025-05-14
Planned sales (Form 144), 90 days
$2.0M
2 notices
Impinj insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, IMPINJ INC insiders sold a net $76.6M of stock across 720 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-27.
Insider
Filed
Shares
Value
Since filing
Context
- 105 earlier Form 4 trades (code P or S) here by this insider (105 sales), the last on Aug 10, 2026.
- The trade is 11.1% of the 80,388 shares held after it.
- 1 other insider sold within 30 days.
- 190 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CHIEF FINANCIAL OFFICER Baker Cary sold about $1.6M of PI under a 10b5-1 plan on Sep 21, 2026; 1 other insider sold within 30 days and 190 funds added in the latest 13F quarter.Context
- 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Nov 7, 2025.
- The trade is 18.4% of the 4,354 shares held after it.
- 1 other insider sold within 30 days.
- 190 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director WASHINGTON MIRON sold about $138.6K of PI on Sep 15, 2026; 1 other insider sold within 30 days and 190 funds added in the latest 13F quarter.Context
- 104 earlier Form 4 trades (code P or S) here by this insider (104 sales), the last on Feb 21, 2025.
- The trade is 1.6% of the 88,226 shares held after it.
- No other insider sold within 30 days.
- 190 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CHIEF FINANCIAL OFFICER Baker Cary sold about $264.4K of PI on Aug 10, 2026; 190 funds added in the latest 13F quarter.Context
- 39 earlier Form 4 trades (code P or S) here by this insider (39 sales), the last on Jun 8, 2026.
- The trade is 2.5% of the 775,943 shares held after it.
- No other insider sold within 30 days.
- 190 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director SYLEBRA CAPITAL LLC sold about $2.4M of PI on Jun 9, 2026; 190 funds added in the latest 13F quarter.Context
- 39 earlier Form 4 trades (code P or S) here by this insider (39 sales), the last on Jun 8, 2026.
- The trade is 1.5% of the 782,943 shares held after it.
- No other insider sold within 30 days.
- 190 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director SYLEBRA CAPITAL LLC sold about $1.5M of PI on Jun 9, 2026; 190 funds added in the latest 13F quarter.720 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net -$76.6M over 180 days
-$2.0M over 90 days
below 85% of Semiconductors & Electronics
Congress
no House purchase disclosed in the last 12 months
Funds
190 funds bought in last quarter
more than 56% of Semiconductors & Electronics
Revenue
-1.4% year over year
below 72% of Semiconductors & Electronics
Margin
-3.0% net margin
below 55% of Semiconductors & Electronics
Buybacks
no share repurchases reported
Short interest
9.1% of the float short (float per yahoo 2026-10-26) · 6.6 days to cover · settled 2026-09-30
more than 72% of Semiconductors & Electronics
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch PI
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-17.3%12M
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns PI: institutional holders (13F)
13F holdings, latest reported quarter
4,562,799 sh
$653.5M
4,449,389 sh
$637.3M
2,194,236 sh
$314.3M
1,700,585 sh
$243.6M
1,443,452 sh
$206.7M
Congress trades in PI
STOCK Act disclosures, US House only, filed up to 45 days after the trade
Bought 2025-05-14 · disclosed 5 days later
$1,001 - $15,000
Bought 2025-05-05 · disclosed 1 day later
$1,001 - $15,000
Bought 2025-03-03 · disclosed 6 days later
$1,001 - $15,000
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
PI planned insider sales (Form 144)
Notice of intent to sell, filed before any sale
WASHINGTON MIRON
Filed 2026-09-15
$138.6K
Baker Cary
Filed 2026-08-10
$1.9M
PI mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
CCT Thematic Equity Fund
$1.4M position · as of 2026-07-31
2.6%
Royce Smaller-Companies Growth Fund
$6.0M position · as of 2026-06-30
2.5%
State Street(R) SPDR(R) S&P(R) Semiconductor ETF
$85.2M position · as of 2026-06-30
2.5%
abrdn Focused U.S. Small Cap Active ETF
$245.5K position · as of 2026-07-31
2.4%
Nuveen Small Cap Growth Opportunities Fund
$6.2M position · as of 2026-07-31
2.3%
ALGER WEATHERBIE SPECIALIZED GROWTH FUND
$5.5M position · as of 2026-07-31
2.3%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Executive pay vs shareholder return
CEO pay, headline and as actually paid, against the company's
return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$7.1M
$8.2M
$2.3M
+316%
+168%
2024
$11.2M
$21.8M
$4.1M
+462%
+187%
2023
$6.8M
$1.3M
$3.6M
+248%
+139%
2022
$5.5M
$11.2M
$2.5M
+322%
+43%
2021
$5.9M
$19.3M
$2.6M
+243%
+120%
Tagged by the company under SEC Item 402(v). Returns are
cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $76.6M sold by insiders over 180 days, 190 funds added last quarter, $2.0M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
PI financials
Revenue growth
-1.4%
XBRL, annual
Net margin
-3.0%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$371.5M
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM PI
| FY Dec 2025 | $361.1M |
| FY Dec 2024 | $366.1M |
| FY Dec 2023 | $307.5M |
| FY Dec 2022 | $257.8M |
| FY Dec 2021 | $190.3M |
| Jun 2026 | $108.4M |
| Mar 2026 | $74.2M |
| Dec 2025 | $92.8M |
| Sep 2025 | $96.1M |
| Jun 2025 | $97.9M |
| Mar 2025 | $74.3M |
| Dec 2024 | $91.6M |
| Sep 2024 | $95.2M |
At each fiscal year end
Single quarter
Net margin, TTM
-7.3%
net income over revenue, 2025-07-01 to 2026-06-30
Net margin, TTM PI
| FY Dec 2025 | -3.0% |
| FY Dec 2024 | +11.1% |
| FY Dec 2023 | -14.1% |
| FY Dec 2022 | -9.4% |
| FY Dec 2021 | -27.0% |
| Jun 2026 | +11.3% |
| Mar 2026 | -34.0% |
| Dec 2025 | -1.2% |
| Sep 2025 | -13.3% |
| Jun 2025 | +11.8% |
| Mar 2025 | -11.4% |
| Dec 2024 | -3.0% |
| Sep 2024 | +0.2% |
At each fiscal year end
Single quarter
Free cash flow, TTM
$63.0M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM PI
| FY Dec 2025 | $45.9M |
| FY Dec 2024 | $111.2M |
| FY Dec 2023 | -$68.0M |
| FY Dec 2022 | -$11.4M |
| FY Dec 2021 | -$9.8M |
| Jun 2026 | $29.2M |
| Mar 2026 | $2.2M |
| Dec 2025 | $13.6M |
| Sep 2025 | $18.0M |
| Jun 2025 | $27.3M |
| Mar 2025 | -$13.0M |
| Dec 2024 | $8.5M |
| Sep 2024 | $4.7M |
At each fiscal year end
Single quarter
Debt to equity
1.04x
long-term 2026-06-30 plus current 2026-06-30; equity 2026-06-30
Debt to equity PI
| FY Dec 2025 | 1.34x |
| FY Dec 2024 | 1.89x |
| FY Dec 2023 | 8.54x |
| FY Dec 2022 | 18.59x |
| FY Dec 2021 | n/a |
| Jun 2026 | 1.04x |
| Mar 2026 | 1.18x |
| Dec 2025 | 1.34x |
| Sep 2025 | 1.44x |
| Jun 2025 | 3.03x |
| Mar 2025 | 3.53x |
| Dec 2024 | 1.89x |
| Sep 2024 | 2.08x |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
0.30x
TTM operating cash flow over long-term 2026-06-30 plus current 2026-06-30
Cash flow to debt PI
| FY Dec 2025 | 0.21x |
| FY Dec 2024 | 0.45x |
| FY Dec 2023 | -0.17x |
| FY Dec 2022 | 0.00x |
| FY Dec 2021 | 0.02x |
| Jun 2026 | 0.30x |
| Mar 2026 | 0.31x |
| Dec 2025 | 0.21x |
| Sep 2025 | 0.20x |
| Jun 2025 | 0.08x |
| Mar 2025 | 0.10x |
| Dec 2024 | 0.45x |
| Sep 2024 | 0.41x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
-12.9%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity PI
| FY Dec 2025 | -6.0% |
| FY Dec 2024 | +44.3% |
| FY Dec 2023 | -174.6% |
| FY Dec 2022 | -1,076% |
| FY Dec 2021 | -104.6% |
| Jun 2026 | -12.9% |
| Mar 2026 | -15.2% |
| Dec 2025 | -6.0% |
| Sep 2025 | -7.5% |
| Jun 2025 | +0.4% |
| Mar 2025 | -0.8% |
| Dec 2024 | +44.3% |
| Sep 2024 | +33.1% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
-5.2%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets PI
| FY Dec 2025 | -2.1% |
| FY Dec 2024 | +9.6% |
| FY Dec 2023 | -12.2% |
| FY Dec 2022 | -7.3% |
| FY Dec 2021 | -19.6% |
| Jun 2026 | -5.2% |
| Mar 2026 | -5.6% |
| Dec 2025 | -2.1% |
| Sep 2025 | -2.5% |
| Jun 2025 | +0.1% |
| Mar 2025 | -0.2% |
| Dec 2024 | +9.6% |
| Sep 2024 | +6.7% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on invested capital PI
| FY Dec 2025 | n/a |
| FY Dec 2024 | -2.3% |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | -0.5% |
| Mar 2025 | n/a |
| Dec 2024 | -2.3% |
| Sep 2024 | -6.2% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
-1.5%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed PI
| FY Dec 2025 | -0.3% |
| FY Dec 2024 | -2.9% |
| FY Dec 2023 | -13.7% |
| FY Dec 2022 | -6.6% |
| FY Dec 2021 | -16.2% |
| Jun 2026 | -1.5% |
| Mar 2026 | -1.4% |
| Dec 2025 | -0.3% |
| Sep 2025 | -0.6% |
| Jun 2025 | -1.0% |
| Mar 2025 | -1.2% |
| Dec 2024 | -2.9% |
| Sep 2024 | -7.7% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
P/E, trailing PI
| FY Dec 2025 | n/a |
| FY Dec 2024 | 106.81x |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | 11,107.00x |
| Mar 2025 | n/a |
| Dec 2024 | 106.81x |
| Sep 2024 | 243.28x |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$5.3B
market value at close 2026-10-23 on 2026-07-17 shares, plus long-term 2026-06-30 plus current 2026-06-30, minus cash 2026-06-30
Enterprise value PI
| FY Dec 2025 | $5.5B |
| FY Dec 2024 | $4.3B |
| FY Dec 2023 | $2.6B |
| FY Dec 2022 | $3.1B |
| FY Dec 2021 | $2.3B |
| Jun 2026 | $4.6B |
| Mar 2026 | $3.3B |
| Dec 2025 | $5.5B |
| Sep 2025 | $5.5B |
| Jun 2025 | $3.7B |
| Mar 2025 | $3.1B |
| Dec 2024 | $4.3B |
| Sep 2024 | $6.3B |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
+1.2%
TTM free cash flow over market value at close 2026-10-23
FCF yield PI
| FY Dec 2025 | +0.9% |
| FY Dec 2024 | +2.7% |
| FY Dec 2023 | -2.8% |
| FY Dec 2022 | -0.4% |
| FY Dec 2021 | -0.5% |
| Jun 2026 | +1.4% |
| Mar 2026 | +2.0% |
| Dec 2025 | +0.9% |
| Sep 2025 | +0.8% |
| Jun 2025 | +0.9% |
| Mar 2025 | +1.7% |
| Dec 2024 | +2.7% |
| Sep 2024 | +1.7% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
PEG, trailing PI
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | n/a |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-23. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Revenue | $361.1M | $366.1M | $307.5M | $257.8M |
| Gross profit | $189.7M | $188.9M | $152.0M | $137.9M |
| Operating income | -$737.0K | -$7.1M | -$43.5M | -$19.5M |
| Net income | -$10.8M | $40.8M | -$43.4M | -$24.3M |
| EPS (diluted) | -0.37 | 1.39 | -1.62 | -0.95 |
| Operating cash flow | $58.7M | $128.3M | -$49.4M | $641.0K |
| Cash | $48.2M | $46.1M | $94.8M | $19.6M |
| Long-term debt | $184.1M | $283.5M | $281.9M | $280.2M |
SEC XBRL, fiscal years, as known on 2026-10-27
PI Stock Sonar score 6/7 axes
Find similar shapesComparePI ranks highest on institutional and government (56th percentile) and financial health (37th), and lowest on insider conviction (8th), among Semiconductors & Electronics peers.
6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
PI filings, in plain words
Are Impinj insiders buying or selling PI?
In the 180 days to 2026-10-27, Impinj insiders were net sellers, a net $76.6M across purchases and sales reported on Form 4, by 3 sellers.
Have members of Congress traded PI?
Yes, but not in the year to 2026-10-27; the latest on record is a purchase by Marjorie Taylor Greene dated 2025-05-14.
Are there planned insider sales of PI?
Yes. 2 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-27, covering $2.0M of stock; the latest, by WASHINGTON MIRON, was filed 2026-09-15.
Read the full summary
In the 180 days to 2026-10-27, Impinj insiders were net sellers of PI, a net $76.6M across purchases and sales reported on Form 4 by 3 sellers. 4% of the 28 insider sales were made under a Rule 10b5-1 plan; the rest were not flagged as planned. Members of Congress have disclosed trades in PI, none in the last year; the latest on record is a purchase by Marjorie Taylor Greene dated 2025-05-14. Insiders filed 2 Form 144 notices of intent to sell in the 90 days to 2026-10-27, covering $2.0M of stock. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.
Explore insider trading and ownership data
Every company we track, ranked by each kind of filing
